/*************************************************************************
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 *  Sun Industry Standards Source License Version 1.1
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 ************************************************************************/
/*************************************************************************
 * @file 
 *  For LWP filter architecture prototype
 ************************************************************************/
/*************************************************************************
 * Change History
 Jan 2005			Created
 ************************************************************************/

#ifndef _LWPCOLOR_HXX
#define _LWPCOLOR_HXX

#include "lwpobjstrm.hxx"
#include "lwpheader.hxx"
/**
 * @brief	lwpcolor class
 * 		(red, green, blue, extra)
*/
class LwpColor
{
public:
	LwpColor():m_nRed(0), m_nGreen(0), m_nBlue(0), m_nExtra(0){};
	~LwpColor(){};
public:
	void Read(LwpObjectStream *pStrm);
	sal_uInt16 GetRed();
	sal_uInt16 GetGreen();
	sal_uInt16 GetBlue();
	BOOL IsValidColor();
	sal_uInt32 To24Color();
	//add by , 01/26/2005
	void operator = (const LwpColor& rOther);
	//end
	sal_Bool IsTransparent();
private:
	sal_uInt16 m_nRed;			// When extra is AGLRGB_INDEX, m_nRed holds the
	sal_uInt16 m_nGreen;		// hi 16 bits and m_nGreen holds the lo 16 bits of
	sal_uInt16 m_nBlue;		// the 32-bit LUT index.
	sal_uInt16 m_nExtra;
	enum ColorOverride {
		  AGLRGB_RGB = 0,
		  AGLRGB_BLACK = 1,
		  AGLRGB_WHITE = 2,
		  AGLRGB_GRAY = 3,
		  AGLRGB_LTGRAY = 4,
		  AGLRGB_DKGRAY = 5,
		  AGLRGB_RED = 6,
		  AGLRGB_GREEN = 7,
		  AGLRGB_BLUE = 8,
		  AGLRGB_INDEX = 98,
		  AGLRGB_INVALID = 99,
		  AGLRGB_TRANSPARENT = 100
	};
	void ResolveRGB();
};
inline sal_uInt16 LwpColor::GetRed()
{
	return m_nRed;
}
inline sal_uInt16 LwpColor::GetGreen()
{
	return m_nGreen;
}
inline sal_uInt16 LwpColor::GetBlue()
{
	return m_nBlue;
}
inline BOOL LwpColor::IsValidColor()
{
	return ((m_nExtra!=AGLRGB_INVALID) && (m_nExtra!=AGLRGB_TRANSPARENT));
}
inline sal_Bool LwpColor::IsTransparent()
{
	return (m_nExtra==AGLRGB_TRANSPARENT);
}
#endif
